1253315322 has 32 divisors (see below), whose sum is σ = 3183024000. Its totient is φ = 358089984.

The previous prime is 1253315317. The next prime is 1253315353. The reversal of 1253315322 is 2235133521.

It is a happy number.

1253315322 is a `hidden beast` number, since 1 + 2 + 5 + 331 + 5 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657447 + ... + 1658202.

It is an arithmetic number, because the mean of its divisors is an integer number (99469500).

Almost surely, 2^1253315322 is an apocalyptic number.

1253315322 is an abundant number, since it is smaller than the sum of its proper divisors (1929708678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253315322 is a wasteful number, since it uses less digits than its factorization.

1253315322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315667 (or 3315661 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1253315322 is about 35402.1937455859. The cubic root of 1253315322 is about 1078.1688569229.

Adding to 1253315322 its reverse (2235133521), we get a palindrome (3488448843).

The spelling of 1253315322 in words is "one billion, two hundred fifty-three million, three hundred fifteen thousand, three hundred twenty-two".